.container{
    width: 100vw;
    height: 100vh;
    background-image: url(../../img//wallhaven-j3qw1q.jpg);
    background-size: cover;
}

.box{
    width: 800px;
    height: 450px;
    background: #fff;
    position: fixed;
    top: 25%;
    left: 30%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

Button{
    width: 460px;
}
.zhuce{
    width: 80px;
}


.aa{
    width: 300px;
    height: 450px;
    background: rgb(38, 68, 96);
    text-align: center;
}

.aa h2{
    margin-top: 150px;
}
.a{
    width: 500px;
    height: 250px;
    margin-right: 20px;
    padding: 0 20px;
}

.a h2{
    margin-left: 50%;
}